Finding the Fourth Proportional to 134,389,648,121.70, 185,457,788,805.73 and 72,590,217,462.13
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Solution
The fourth proportional to 134,389,648,121.70, 185,457,788,805.73 and 72,590,217,462.13 is: 100,174,540,283.50
Step by Step Solution
- Step 1: Write the proportion equation
134,389,648,121.70 : 185,457,788,805.73 = 72,590,217,462.13 : x - Step 2: Convert to fraction form
134,389,648,121.70/185,457,788,805.73 = 72,590,217,462.13/x - Step 3: Cross multiply
134,389,648,121.70x = 185,457,788,805.73 × 72,590,217,462.13 - Step 4: Simplify right side
134,389,648,121.70x = 13,462,421,219,452,792,078,336 - Step 5: Solve for x
x = 13,462,421,219,452,792,078,336/134,389,648,121.70 - Step 6: Final answer
x = 100,174,540,283.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.